Easy user-replaceable sensor allows for quick sensor replacements, if needed. No tools necessary.

One-year sensor warranty.

Uses convenient screw-on cap membranes making membrane changes simple and easy

Use with the Pro20, Pro20i, Pro1020, Pro2030, and Pro Plus instruments.

Cables must be ordered separately.

2003B sensor can be used on 60520 (DO), 6052030 (DO/conductivity), 6051020 (DO/ISE), and 605790 Quatro (DO/conductivity/ISE) cables.

Comes with 5909 Cap Membrane Kit (2.00 Mil PE membranes)